2, 4, 16, 256, ––---. Which is the next number?

Find the missing number.

7,9,10,49,81,........

Find the missing number in the given series: 11, 33, 55, ……… 99.

Find the missing number:

11:13::31: .....

Fill in the missing number in the series

3, 6, 18, 9, 18, 54, 27, 54, 162

The next number of the sequence 1, 4, 10, 19, 31, ......... is